I wrote them, and after a while I received a brochure in my mailbox, with this stamp:

    ---v----v----v----v----v---
    |         _______         |
    >  One   /       \     G  <
    | Lousy /         \    U  |
    > Point |   ___   |    E  <
    |       |  (___)  |       |
    >       <--)___(-->    P  <
    |       / /     \ \    o  |
    >      / /       \ \   s  <
    |     |-|---------|-|  t  |
    >     | |  \ _ /  | |  a  <
    |     | | --(_)-- | |  g  |
    >     | |  /| |\  | |  e  <
    |     |-|---|_|---|-|     |
    >      \ \__/_\__/ /      <
    |       _/_______\_       |
    >      |  f.m.l.c. |      <
    |      -------------      |
    >                         <
    |   Donald Woods, Editor  |
    >     Spelunker Today     <
    |                         |
    ---^----^----^----^----^---

https://www.youtube.com/watch?v=A8Z1cKUxD9c

https://crpgadventures.blogspot.com/2016/05/zork-victory-sor...